SIGSEGV

php-fpm.conf

; If this number of child processes exit with SIGSEGV or SIGBUS within the time
; interval set by emergency_restart_interval then FPM will restart. A value
; of '0' means 'Off'.
; Default Value: 0
;emergency_restart_threshold = 0

• signal: SIGINT, SIGTERM, SIGSEGV, SIGBUS, exit 0
• kill, killall, pkill, xkill, podman kill, docker kill, SIGINT, SIGTERM, rfkill, killall5, kill 1, launchctl kill (macOS), kill -9, kill -15, signal